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R136a3

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R136a3

R136a3 is the bright star at lower right of the center.
觀測資料
曆元 J2000
星座 劍魚座
星官
赤經 05h 38m 42.33s[1]
赤緯 −69° 06′ 03.27″[1]
視星等(V) 12.97[1]
特性
演化阶段Wolf–Rayet star
光谱分类WN5h[2]
天体测定
距离163,000 ly
(49,970[3] pc)
绝对星等 (MV)−7.52[4]
詳細資料 [5][6]
質量155+25
−18
M
半徑25.5+4.1
−3.5
R
亮度3,631,000 L
溫度50,000+2,500
−8,000
K
年齡1.28+0.17
−0.21
Myr
其他命名
RMC 136a3, BAT99 106
參考資料庫
SIMBAD资料

R136a3是位於大麥哲倫星雲蜘蛛星雲R136星團中的一顆沃爾夫-拉葉星

R136a3位於已知質量最大、亮度最高的恆星R136a1附近。R136a3本身是已知的質量最大、亮度最高的恆星之一,質量約為太陽的179倍,亮度約為太陽的500萬倍。

參考資料

[编辑]
  1. ^ 1.0 1.1 1.2 Doran, E. I.; Crowther, P. A.; De Koter, A.; Evans, C. J.; McEvoy, C.; et al. The VLT-FLAMES Tarantula Survey. XI. A census of the hot luminous stars and their feedback in 30 Doradus. Astronomy & Astrophysics. October 2013, 558. A134. Bibcode:2013A&A...558A.134D. S2CID 118510909. arXiv:1308.3412可免费查阅. doi:10.1051/0004-6361/201321824. 
  2. ^ Crowther, Paul A.; Caballero-Nieves, S. M.; Bostroem, K. A.; Maíz Apellániz, J.; Schneider, F. R. N.; et al. The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of He II λ1640 in young star clusters. Monthly Notices of the Royal Astronomical Society. May 2016, 458 (1): 624–659. Bibcode:2016MNRAS.458..624C. arXiv:1603.04994可免费查阅. doi:10.1093/mnras/stw273可免费查阅. 
  3. ^ Pietrzyński, G.; Graczyk, D.; Gieren, W.; Thompson, I. B.; Pilecki, B.; et al. An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent. Nature. March 2013, 495 (7439): 76–79. Bibcode:2013Natur.495...76P. PMID 23467166. S2CID 4417699. arXiv:1303.2063可免费查阅. doi:10.1038/nature11878. 
  4. ^ Bestenlehner, Joachim M.; Crowther, Paul A.; Caballero-Nieves, Saida M.; Schneider, Fabian R. N.; Simón-Díaz, Sergio; Brands, Sarah A.; De Koter, Alex; Gräfener, Götz; Herrero, Artemio; Langer, Norbert; Lennon, Daniel J.; Maíz Apellániz, Jesus; Puls, Joachim; Vink, Jorick S. The R136 star cluster dissected with Hubble Space Telescope/STIS. II. Physical properties of the most massive stars in R136. Monthly Notices of the Royal Astronomical Society. 2020, 499 (2): 1918. Bibcode:2020MNRAS.499.1918B. arXiv:2009.05136可免费查阅. doi:10.1093/mnras/staa2801可免费查阅. 
  5. ^ Brands, S.; de Koter, A.; Bestenlehner, J.; Crowther, P.; Sundqvist, J.; Puls, J.; Caballero-Nieves, S.; Abdul-Masih, M.; Driessen, F.; Garcia, M.; Geen, S.; Gräfener, G.; Hawcroft, C.; Kaper, L.; Keszthelyi, Z.; Langer, N.; Sana, H.; Schneider, Fabian R. N.; Shenar, T.; Vink, Jorick S. The R136 star cluster dissected with Hubble Space Telescope/STIS. III. The most massive stars and their clumped winds. Astronomy & Astrophysics. 7 April 2022, 663: A36. Bibcode:2022A&A...663A..36B. ISSN 0004-6361. S2CID 247025548. arXiv:2202.11080可免费查阅. doi:10.1051/0004-6361/202142742. 
  6. ^ Kalari, Venu M.; Horch, Elliott P.; Salinas, Ricardo; Vink, Jorick S.; Andersen, Morten; Bestenlehner, Joachim M.; Rubio, Monica. Resolving the Core of R136 in the Optical. The Astrophysical Journal. 2022-07-26, 935 (2): 162. Bibcode:2022ApJ...935..162K. S2CID 251067072. arXiv:2207.13078可免费查阅. doi:10.3847/1538-4357/ac8424可免费查阅.